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Research Interests:

Quantum phenomena are the underlying mechanism behind most of what we see and do during our daily life. However, in most materials, quantum effects are obscured already at length-scales as small as the distance between two to five atoms within the substance, roughly one nanometer. Advances in emerging material systems during the last decade lead to novel types of materials, which are as thin as only one or a few atoms so that the entire material is only a surface or an ‘open’ interface. Systems of this kind, such as graphene and topological insulators, demonstrate quantum states that are protected and therefore are preserved over distances that are significantly larger than the length scale relevant to quantum phenomena in other materials. Our lab focuses on the surface/interface studies on the emerging quantum materials at the atomic level. Experimental techniques in our lab ranges from Molecular Beam Epitaxy (MBE), Angle-Resolved Photoemission Spectroscopy (ARPES), Scanning Tunneling Microscopy (STM), electrical transport (PPMS and 3He-4He Dilution Refrigerator) measurements, neutron scattering (PBR) and more.

Our research is focused on the following themes:

1) TI  and QAHE related research at low dimensions

2)  Interface superconductivity

3) MBE of thin film, heterostructure and superlattice

4) Novel quantum phase in emerging quantum materials

5) Magnetic and Superconductive tunneling junctions